Expired50% confidenceFactExact time
For most tasks, Fable called Opus 5.0, and only called itself for some tasks.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
9/3/2026
First Seen
Valid until: 9/17/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedCurrently, only 5.6 Sol, Fable 5/Mythos, and Sonnet 5 have the ability to split tasks among sub-agents.62% similarUnverifiedFable 5 consumes twice as many tokens as Opus 4.8 during operation, according to official Anthropic documentation54% similarUnverifiedDeepSeek V4 Pro and Kimi 5.1 operated in Solid mode (autonomous completion of the entire workflow without human intervention), while ChatGPT 5.4 and Gemini 3.1 operated in standard interactive mode54% similar
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